1 package org.apache.turbine.services;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.turbine.annotation.AnnotationProcessor;
23 import org.apache.turbine.util.TurbineException;
24
25 /**
26 * <p>This class provides a <code>Service</code> implementation that
27 * Services used in Turbine are required to extend.
28 * This class provides the ability to process field and method annotations {@link TurbineServices} in a Turbine service.
29 * You could also enable scanning globally by annotating the class (service) with the annotation {@link TurbineServices},
30 * then method annotation could be omitted, if the argument class is {@link TurbineServices} annotated.
31 * </p>
32 *
33 */
34 public abstract class MethodAnnotatedTurbineBaseService
35 extends TurbineBaseService
36 {
37
38 /**
39 * Performs late initialization.
40 *
41 * If your class relies on early initialization, and the object it
42 * expects was not received, you can use late initialization to
43 * throw an exception and complain.
44 *
45 * @throws InitializationException if initialization of this
46 * class was not successful.
47 */
48 @Override
49 public void init() throws InitializationException
50 {
51 setInit(true);
52 try {
53 // if second parameter is true, we get into an endless loop if setInit is done last
54 AnnotationProcessor.process(this, true);
55 } catch (TurbineException e) {
56 throw new InitializationException(e.getMessage(), e);
57 }
58 }
59 }